mirror of
https://github.com/checkpoint-restore/criu.git
synced 2026-01-23 10:16:41 +00:00
254ba3e8cc
This change modifies the CI script to avoid Docker version 28, which has a known regression that breaks Checkpoint/Restore (C/R) functionality. The issue is tracked in the moby/moby project as https://github.com/moby/moby/issues/50750. Signed-off-by: Andrei Vagin <avagin@google.com>
139 lines
3.5 KiB
Bash
Executable file
139 lines
3.5 KiB
Bash
Executable file
#!/bin/bash
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set -x -e -o pipefail
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# Workaround: Docker 28.x has a known regression that breaks the checkpoint and
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# restore (C/R) feature. Let's install previous, or next major version. See
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# https://github.com/moby/moby/issues/50750 for details on the bug.
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export DEBIAN_FRONTEND=noninteractive
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apt remove -y docker-ce docker-ce-cli
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./apt-install -y ca-certificates curl
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install -m 0755 -d /etc/apt/keyrings
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
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chmod a+r /etc/apt/keyrings/docker.asc
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# shellcheck disable=SC1091
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echo \
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"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
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$(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" > /etc/apt/sources.list.d/docker.list
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apt update -y
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apt-cache madison docker-ce | awk '{ print $3 }'
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verstr="$(apt-cache madison docker-ce | awk '{ print $3 }' | sort | grep -v ':28\.'| tail -n 1)"
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./apt-install -y "docker-ce=$verstr" "docker-ce-cli=$verstr"
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# docker checkpoint and restore is an experimental feature
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echo '{ "experimental": true }' > /etc/docker/daemon.json
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service docker restart
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CRIU_LOG='/criu.log'
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mkdir -p /etc/criu
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echo "log-file=$CRIU_LOG" > /etc/criu/runc.conf
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# Test checkpoint/restore with action script
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echo "action-script /usr/bin/true" | sudo tee /etc/criu/default.conf
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export SKIP_CI_TEST=1
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./run-ci-tests.sh
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cd ../../
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make install
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docker info
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criu --version
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run_container () {
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docker run \
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--tmpfs /tmp \
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--tmpfs /run \
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--read-only \
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--name cr \
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--health-cmd='sleep 1' \
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--health-interval=1s \
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-d \
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alpine \
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/bin/sh -c 'i=0; while true; do echo $i; i=$(expr $i + 1); sleep 1; done'
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}
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wait_running () {
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until [ "$(docker inspect -f '{{.State.Running}}' cr)" = "true" ]; do
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sleep 1;
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done;
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}
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wait_healthy () {
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until [ "$(docker inspect -f '{{.State.Health.Status}}' cr)" = "healthy" ]; do
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sleep 1;
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done;
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}
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checkpoint_container () {
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CHECKPOINT_NAME=$1
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docker checkpoint create cr "$CHECKPOINT_NAME" &&
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(docker exec cr true >> /dev/null 2>&1 && exit 1 || exit 0) &&
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# wait for container to stop
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docker wait cr
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}
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print_logs () {
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cat "$(grep log 'log file:' | sed 's/log file:\s*//')" || true
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docker logs cr || true
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cat $CRIU_LOG || true
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dmesg
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docker ps
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exit 1
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}
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declare -i max_restore_container_tries=3
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restore_container () {
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CHECKPOINT_NAME=$1
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for i in $(seq $max_restore_container_tries); do
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docker start --checkpoint "$CHECKPOINT_NAME" cr 2>&1 | tee log && break
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# FIXME: There is a race condition in docker/containerd that causes
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# docker to occasionally fail when starting a container from a
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# checkpoint immediately after the checkpoint has been created.
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# https://github.com/moby/moby/issues/42900
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if grep -Eq '^Error response from daemon: failed to upload checkpoint to containerd: commit failed: content sha256:.*: already exists$' log; then
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echo "Retry container restore: $i/$max_restore_container_tries"
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sleep 1;
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else
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print_logs
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fi
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done
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}
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# Scenario: Create multiple containers and checkpoint and restore them once
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for i in $(seq 10); do
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run_container
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wait_running
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docker ps
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checkpoint_container checkpoint
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docker ps
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restore_container checkpoint
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docker ps
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docker rm -f cr
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done
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# Scenario: Create container and checkpoint and restore it multiple times
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run_container
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wait_running
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for i in $(seq 5); do
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docker ps
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checkpoint_container checkpoint"${i}"
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docker ps
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restore_container checkpoint"${i}"
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# Wait for healthy state before creating another checkpoint
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wait_healthy
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done
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